Union, OH Weather


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United States / Ohio / No Metro Area / Montgomery County / Union / Zip Codes

The most pleasant months of the year for Union are September, June and May. In Union, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for Union with an average high temperature of 85.3°, which ranks it as warmer than most places in Ohio. January is the snowiest month in Union with 5.2 inches of snow, and 5 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - Union, OH

7 PM PST

Mostly Cloudy then Areas Of Frost

45°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightMostly Cloudy then Areas Of Frost34° / 60°NE 9 mph
Thursday NightMostly Clear39° / 72°E 6 to 9 mph
Friday NightChance Showers And Thunderstorms60° / 79°S 13 to 18 mph
Saturday NightSlight Chance Showers And Thunderstorms then Partly Cloudy63° / 82°S 18 to 23 mph
Sunday NightPartly Cloudy then Slight Chance Rain Showers63° / 81°S 14 to 18 mph
Monday NightShowers And Thunderstorms Likely60° / 74°SW 12 to 20 mph
Tuesday NightChance Rain Showers then Mostly Clear53° / 78°W 6 to 14 mph

Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 21
Rain: averages 40 inches of rain a year
Snow: averages 16 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Union area is 8.7 (10=best), which means it is more comfortable than most places in Ohio.

8.7 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January35° 21°
February40° 23°
March50° 31°
April63° 42°
May73° 52°
June82° 62°
July85° 65°
August84° 64°
September77° 56°
October65° 44°
November52° 35°
December39° 25°
Hot, Freezing, Rainy, Snowy Days: Union
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January026124
February023113
March017122
April04131
May10130
June30120
July70100
August5080
September1090
October0290
November012121
December024123

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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